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| Greasy black soot everywhere.... |
But for the most part night ventilation doesn't do much for us here in our condo in Bangkok's hot season, now approaching. Outside air is warm and humid -- sometimes approaching 80 deg F db (27 deg C) and 100% RH at dawn -- but most of all, it is the dirt that bothers us. Even when we lived in our Thai-style house, pleasantly surrounded by shady greenery, keeping windows open nonetheless soon resulted in a layer of black grimy soot everywhere, I assume vehicular hydrocarbons from the local traffic.
On the seventeenth floor in our condo, the dust is more brown and gritty after several days with partly open windows or sliding doors, the floors sprinkled with odds bits of debris. I never knew the air was so dirty a couple of hundred feet above the ground. And as for necessary minimal air changes, the usual breeze, height, and leaky sliding doors throughout seem to take care of that without any need for auxiliary venting.
Newly arrived expats like to talk of the delights of ventilation and natural breezes, but those of us who have been here a while tend to close everything 24/7. Would it be the same if we were on the coast? Keep in mind that our surface sea temperatures here are about 30 degrees C (86F) in the warmer months, so there will be no cooling from those breezes.
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